body,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
ol,
p,
input {
  margin: 0px;
}
ul,
ol,
th,
td,
input,
option,
button {
  padding: 0px;
}
ul,
ol {
  list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 1em;
  font-weight: normal;
}
strong,
th {
  font-weight: normal;
}
em,
i {
  font-style: normal;
}
img {
  vertical-align: top;
}
a {
  text-decoration: none;
}
table {
  border-collapse: collapse;
}
input,
textarea {
  outline: none;
}
textarea {
  resize: none;
}
/* 清浮动 / BFC */
.clear:after {
  content: "";
  display: block;
  clear: both;
}
image {
  width: 100%;
  height: 100%;
}
